Nokia's Lumia 920 has a trick up its sleeves, or rather its 4.5-inch screen. You can use the display with gloves on, as Nokia's Kevin Shields just demonstrated on stage with a pair of red mittens. Nokia's calling it "Super Sensitive Touch," and while we don't have details quite yet, we've seen companies like Synaptics show off touchscreens that could detect gestures through a stack of business cards in previous years.